This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
| n | a(n) |
|---|---|
| 1 | 1009 |
| 2 | 1249 |
| 3 | 1321 |
| 4 | 1489 |
| 5 | 1801 |
| 6 | 3169 |
| 7 | 3889 |
| 8 | 4129 |
| 9 | 4201 |
| 10 | 4441 |
| 11 | 7321 |
| 12 | 7561 |
| 13 | 8689 |
| 14 | 8761 |
| 15 | 8929 |
| 16 | 9001 |
| 17 | 9241 |
| 18 | 10369 |
| 19 | 11161 |
| 20 | 12841 |
| 21 | 13249 |
| 22 | 13729 |
| 23 | 14449 |
| 24 | 15649 |
| 25 | 15889 |
| 26 | 16921 |
| 27 | 17569 |
| 28 | 18049 |
| 29 | 18121 |
| 30 | 19081 |
| 31 | 19249 |
| 32 | 20521 |
| 33 | 21001 |
| 34 | 24049 |
| 35 | 24121 |
| 36 | 24841 |
| 37 | 25561 |
| 38 | 25801 |
| 39 | 25969 |